MySQL 5.6、5.7、8.0、8.4
PostgreSQL 9.6、10、11、12、13、14、15、16、17
SQL Server 2022（Standard、Enterprise、Express 和 Web） SQL Server 2019（Standard、Enterprise、Express 和 Web） SQL Server 2017（Standard、Enterprise、Express 和 Web）
MySQL 8.0、8.4
PostgreSQL 12、13、14、15、16、17
SQL Server 2022 Enterprise SQL Server 2019 Enterprise
[[["易于理解","easyToUnderstand","thumb-up"],["解决了我的问题","solvedMyProblem","thumb-up"],["其他","otherUp","thumb-up"]],[["很难理解","hardToUnderstand","thumb-down"],["信息或示例代码不正确","incorrectInformationOrSampleCode","thumb-down"],["没有我需要的信息/示例","missingTheInformationSamplesINeed","thumb-down"],["翻译问题","translationIssue","thumb-down"],["其他","otherDown","thumb-down"]],["最后更新时间 (UTC)：2025-08-07。"],[],[],null,["# Introduction to Cloud SQL editions\n\n\u003cbr /\u003e\n\n\u003cbr /\u003e\n\nThis page describes Cloud SQL editions and key features. \n\nCloud SQL offers the following editions to support your various\nbusiness and application needs. Each edition provides different\nperformance and availability characteristics to meet the needs of your applications.\n\n- **Cloud SQL Enterprise edition**: provides all core capabilities of Cloud SQL and is suitable for applications requiring a balance of performance, availability, and cost.\n- **Cloud SQL Enterprise Plus edition**: provides the best performance and availability to run applications requiring the highest level of availability and performance in addition to the capabilities of the Cloud SQL Enterprise edition.\n\nCloud SQL editions features\n---------------------------\n\nThe following table provides an overview of the features available for each edition:\n\nPerformance enhancements\n------------------------\n\nCloud SQL Enterprise Plus edition is ideal for\napplications that require maximum performance. Cloud SQL Enterprise Plus edition for SQL Server\ndelivers up to 4x improved read performance compared to Cloud SQL Enterprise edition.\n\nCloud SQL Enterprise Plus edition offers the following performance enhancements:\n\n### For all instances\n\n- **Improved read performance using data cache**: Data cache leverages a fast, local SSD to store data pages that are read frequently. For MySQL and PostgreSQL instances, you can get up to three times improvement in read performance compared to reading from a persistent disk. Data cache is an optional feature and can be enabled during instance creation or after the instance has been created.\n\n### For MySQL and PostgreSQL instances only\n\n- **Enhanced write performance**: Cloud SQL Enterprise Plus edition delivers up to two times the\n improvement in write latency. This makes it suitable for write-intensive\n applications requiring low latency and high throughput.\n\n- **Engine autotuning**: autotune engine configurations to match the\n capabilities of the underlying instance platform.\n\n### For SQL Server instances only\n\n- **Better performance with two machine families with higher memory per vCPU**: to meet the needs of your demanding SQL Server workloads, choose between performance-optimized machines with 1 vCPU:8GB of RAM and memory-optimized machines with 1 vCPU:32GB of RAM.\n\nAvailability enhancements\n-------------------------\n\nCloud SQL Enterprise Plus edition provides the following major availability enhancements:\n\n- **Advanced disaster recovery (DR)**: you can simplify recovery and fallback\n processes after you perform cross-region failover. With advanced DR, you\n can:\n\n - Choose a cross-region disaster recovery (DR) replica\n\n - Perform replica failover\n\n - Restore your original deployment by using zero data loss switchover\n\n For more information, see [Advanced disaster recovery (DR)](/sql/docs/mysql/intro-to-cloud-sql-disaster-recovery#advanced-dr)\n and [Use advanced disaster recovery (DR)](/sql/docs/mysql/use-advanced-disaster-recovery).\n\n### For MySQL and PostgreSQL instances only\n\n- **Near-zero downtime**: with Cloud SQL Enterprise Plus edition, you can maintain near-zero\n downtime for your instance when you perform any of the following management\n tasks:\n\n - Perform or simulate a [planned maintenance update event](/sql/docs/mysql/maintenance#nearzero) on\n a standalone primary instance\n\n - Enable or disable [data cache](/sql/docs/mysql/data-cache)\n\n - Scale up the compute size (vCPU, memory) of your Cloud SQL instance\n as many times you like\n\n - Scale down the compute size (vCPU, memory) of your Cloud SQL instance\n once every three hours\n\n | **Note:** If you scale down your instance more than once during a three-hour period, then only the first scale down event benefits from near-zero downtime. Subsequent scale down events experience regular downtime.\n - Perform an [in-place upgrade to Cloud SQL Enterprise Plus edition](/sql/docs/mysql/upgrade-cloud-sql-instance-to-enterprise-plus-in-place)\n\n\n Near-zero downtime is available for Cloud SQL for PostgreSQL and\n Cloud SQL for MySQL instances.\n\nPricing\n-------\n\nFor more information about Cloud SQL editions pricing, see\n[Cloud SQL pricing](/sql/pricing).\n\nCloud SQL editions FAQs\n-----------------------\n\nThis section provides answers to frequently asked questions\nabout Cloud SQL editions.\n\n### Does Cloud SQL Enterprise Plus edition support all engines?\n\nYes. Cloud SQL Enterprise Plus edition is supported on Cloud SQL for MySQL, Cloud SQL for PostgreSQL, and Cloud SQL for SQL Server.\n\n### How is Cloud SQL pricing changing?\n\nCloud SQL for MySQL and Cloud SQL for PostgreSQL instances that you created before July 12, 2023, have become Cloud SQL Enterprise edition instances with no change in features or pricing. Instances\ncreated after July 12, 2023 can be either Cloud SQL Enterprise edition or Cloud SQL Enterprise Plus edition.\n\nCloud SQL for SQL Server instances that you created before August 1, 2024, have become Cloud SQL Enterprise edition instances with no change in features or pricing. Instances\ncreated after August 1, 2024 can be either Cloud SQL Enterprise edition or Cloud SQL Enterprise Plus edition.\n\nCloud SQL Enterprise Plus edition has a new pricing structure.\nFor more information about Cloud SQL pricing,\nsee [Cloud SQL pricing](/sql/pricing).\n\n### What can I do to prepare for these changes?\n\nYou can create Cloud SQL Enterprise Plus edition and Cloud SQL Enterprise edition\ninstances in regions where supported using Google Cloud console and [gcloud CLI](/sdk/gcloud).\n\n### Can I mix and match editions?\n\nYes, you can. Cloud SQL Enterprise Plus edition and Cloud SQL Enterprise edition provide different levels of\ndatabase performance availability and data protection capabilities. You can select\nthe Cloud SQL editions that best meets your varying application needs.\n\n### Can I migrate between editions?\n\nBy using [in-place upgrade](/sql/docs/mysql/upgrade-cloud-sql-instance-to-enterprise-plus-in-place),\nyou can upgrade your instances to Cloud SQL Enterprise Plus edition\n\nor switch to Cloud SQL Enterprise edition.\n\nYou can move your Cloud SQL for MySQL and Cloud SQL for PostgreSQL instances between Cloud SQL Enterprise edition and Cloud SQL Enterprise Plus edition with\n[Database Migration Service](/database-migration) using the following two ways:\n\n- [Upgrade an instance to Cloud SQL Enterprise Plus edition by using IP allowlists](/sql/docs/mysql/upgrade-cloud-sql-instance-to-enterprise-plus-ip-allowlists)\n- [Upgrade an instance to Cloud SQL Enterprise Plus edition by using VPC peering](/sql/docs/mysql/upgrade-cloud-sql-instance-to-enterprise-plus-vpc-peering)"]]
